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Mitutoyo 422-230-30 | Digital Blade Micrometer | 0-25 mm, 0.75 mm blade
422-230-30 spans 0–25 mm with Type A blades (hardened steel t=0.75 mm) for groove diameters on shafts and keyways, and has a non-rotating spindle. Digital step is 0.001 mm, with a maximum permissible error of ±3 µm and variation in length of 3 µm; the LCD has 7.5 mm characters. Model code: BLM-25MX.
Key features
- Blade contacts: Type A, hardened steel t=0.75 mm.
- Contact surfaces: carbide-tipped or hardened steel spindle and anvil.
- Measuring spindle: with spindle lock, ø6.35 mm, spindle pitch 0.5 mm (422-230-30).
- Force at the contacts: 3 - 8 N (422-230-30).
- Runs on 1 battery SR-44, with battery life of approx. 2.4 years (422-230-30).
- On-board functions include origin set, ABS/INC (INC zero) switching, data hold, function lock (422-230-30).
- Specifications
- Downloads
| Part Number | 422-230-30 |
| Brand | Mitutoyo |
| Model | BLM-25MX |
| Measuring Range | 0–25 mm |
| Digital Step | 0.001 mm |
| Max. Permissible Error (E MPE) | ±3 µm |
| Variation in Length (V MPE) | 3 µm |
| Display | LCD, character height 7.5 mm |
| Anvil / Spindle | Type A, hardened steel t=0.75 mm |
| Measuring Face | Carbide-tipped or hardened steel spindle and anvil |
| Measuring Spindle | With spindle lock, ø6.35 mm, spindle pitch 0.5 mm |
| Measuring Force | 3 - 8 N |
| Data Output | Yes |
| Power Supply | 1 battery SR-44 |
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